[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/sherlockholmesin22ndcentury.jpg]]
[[caption-width-right:300:Not half as {{Badass}} [[CoversAlwaysLie as this picture makes it look]].]]

''Sherlock Holmes in the 22nd Century'' is an animated television series. Produced by Creator/DiCEntertainment, it aired on Creator/{{FOX}} from September 1999 to July 2001 for a total of 26 episodes in two seasons. Hundreds of years after the [[Franchise/SherlockHolmes Great Detective]]'s time, [[InspectorLestrade Inspector Beth Lestrade]] of New London's Scotland Yard discovers that a {{mad scientist}} has created a clone of the infamous Professor James Moriarty from cells taken from his frozen corpse at Reichenbach Falls. Using the latest technology, she has the well-preserved body of Sherlock Holmes rejuvenated and reanimated to help her foil the plans of what they initially believe to simply be a Moriarty-obsessed madman.

After about half an episode of being disoriented and disadvantaged by being three hundred years out of his own time, Holmes settles down, moves into a Holmes museum recreation of his old apartment, and the game is, once again, afoot.

In addition to Lestrade, Holmes is ably assisted by a new Watson, Lestrade's robotic partner who adopts his predecessor's personality and mannerisms after downloading Watson's collected writings. He soon gains a LatexPerfection mask giving him Watson's superficial appearance. Holmes also adopts a new team of Irregulars (with no mention made of Wiggins' name coinciding with the original Irregular leader).

Each episode was {{suggested by}} a story from the canon, though the extent of the resemblance varies widely: some stories are translated closely, simply transposing the characters to a new setting ("Silver Blaze" with asteroid racing craft, rather than racehorses) while others take little more than names and some concepts ("The Hounds of the Baskervilles" is about "werewolves" on a lunar colony). Most of the stories were, however, rewritten to make Moriarty the ultimate culprit (usually as {{the man behind the man}}).

See also ''Series/{{Sherlock}}'' and ''Series/{{Elementary}}'' for other modern-setting reinterpretations of the Sherlock Holmes mythos.
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!!This series provides examples of:

* ActionGirl: Lestrade. Holmes calls her a "force of nature unto herself."
* AffablyEvil: Moriarty can be a gentleman and quite casually so. It's almost a little creepy, as befits the original character.
* AfterActionVillainAnalysis: Considering that this is Holmes and he ''does'' like to wax eloquent on cases at times.
* AllYourBaseAreBelongToUs: From the Yard's computer core to the Moon to 10 Downing Street, this is part of Moriarty's ''modus operandi''.
* AmbiguouslyHuman: Martin Fenwick. Just ''look'' at him.
* AndroidsAndDetectives
* AnimatedAdaptation
* AnOfferYouCantRefuse: Moriarty's recruiting often works this way, along with an unpleasant alternative.
* ArmCannon: Watson, as well as various other robots.
* AscendedFangirl: Lestrade, from Sherlockian to Sherlock's professional partner.
* AsteroidThicket: As part of a ''race course'', no less.
* AutomatedAutomobiles: Standard on the flying cars. Car chase scenes usually include a moment where Lestrade announces that she's switching to manual control because the autopilot isn't capable of handling chasing villains/getting shot at.
* AwesomeByAnalysis: Even ''Moriarty'' apparently thinks this of Holmes. In one episode, he tells Holmes to "amuse him" by explaining his deductions.
* BackFromTheDead
* BadassBaritone: Moriarty. Indeed.
* BadassLongcoat: Holmes ''and'' Moriarty.
** Watson and Fenwick also wear longcoats, but fall a bit short of the "badass" part.
* BakerStreetRegular: The new Baker Street Irregulars: soccer player Wiggins, the Eliza Doolittleish Deidre, and the paraplegic Tennyson (who communicates through electronic beeps only Holmes seems to comprehend ironically).
* BattleOfWits: Considering that we're talking about Sherlock Holmes and Professor Moriarty, this is a given. "The Adventure of the Mazarin Chip" is probably the best example of this.
* BelligerentSexualTension: Holmes and Lestrade. Watch the sparks fly!
* BewareTheNiceOnes: Watson, as all good [[TheWatson Watsons]] should be.
* BigBad: Moriarty.
* BigNo:
** The "real" Watson in the prologue of the premiere.
** Holmes and Watson together, watching Lestrade leap from a very high story.
* BlondesAreEvil: Subverted with [[spoiler: Heather Trenton]], who had no idea what she was really doing.
** Played with in "The Beryl Board".
* BorrowedBiometricBypass: In "The Adventure of the Mazarin Chip", Moriarty kidnaps the Prime Minister so he can use him to unlock various biometric safeguards protecting the nation's security (this being the kind of show it is, he drags the whole PM around instead of just taking the bits he needs).
* BreakingTheBonds: Watson does this in "The Secret Safe".
* BriefAccentImitation: Holmes does this a lot when in disguise, even mimicking people’s voices (Moriarty and Fenwick have this ability, as well). Holmes’s favorite accent incognito seems to be [[DeepSouth Southern]].
* BritainIsOnlyLondon: In a Sherlock Holmes adaptation, what else would you expect?
** Subverted in "The Sussex Vampire Lot," but the characters still never leave London.
* BuildingOfAdventure: 221B, of course!
* CameraSpoofing: Feeding a loop of footage into the security camera is part of how the theft is done in "The Adventure of the Beryl Board".
* CaneFu: Sherlock Holmes is a master of this, using a collapsible walking stick as his primary weapon.
* CarChase: Several times with [[FlyingCar hovercraft]], but same basic principle and often when Lestrade is at the wheel in one of the vehicles.
* CasualDangerDialogue: And it's not all Holmes and Moriarty, either. Lestrade and Fenwick can get into it, too.
* CatchPhrase: All the Holmes standards plus some others. "Eyes and brains!"
** This is all the more hilarious when the actual so called catchphrases associated with Holmes were either a) only ever said by him once or b) never even said by him.
* CatScare: Invoked by Moriarty in "The Adventure of the Mazarin Chip"; the first police on the scene find a stray cat and think it tripped the alarm -- which is exactly what Moriarty wanted them to think and why he brought the cat with him.
* CharacterDevelopment: Holmes and Lestrade demonstrate considerable character development in the show, Holmes throughout the first three episodes, and Lestrade throughout the series, regarding her relationships with Holmes and the Irregulars.
** Moriarty's attitude towards Lestrade also develops throughout the series, from "Miss Lestrade" to "New Scotland Yard zealot". Ouch.
* ChekhovsGun: In a discretional way. Holmes uses his Inverness to protect a mad scientist's modesty.
* TheChessmaster: Holmes and Moriarty.
* ChristmasEpisode: A retake of "The Blue Carbuncle," with amusing results.
** Yes, Moriarty is well aware that it is Christmastime. This does not stop him.
* ChildProdigy: No fewer than three, all of them technology wizards: Tennyson, Amanda Wheelwright, and Helfin Paine III.
* CloningBodyParts: In "The Engineer's Thumb", Moriarty's [[OrganTheft organ-legging]] turns out to be using cloned parts. Which are illegal due to {{clone degeneration}}.
* ConspicuousCG
* CoolPeopleRebelAgainstAuthority: Lestrade and Holmes, very deliberately.
* CoolOldGuy: Sherlock Holmes himself. See OlderThanTheyLook.
* CorruptCorporateExecutive: Mr. Paine.
* CrazyEnoughToWork: Holmes's plans, as is fitting, tend to be this.
** However, ''Lestrade''[='=]s idea to bring Holmes ''back to life'' to defeat a Moriarty-like {{big bad}} must take the AcademyAward for this trope.
* CutTheJuice: In "The Adventure of the Beryl Board", our heroes are attacked by robotic museum exhibits. The computer whiz of the week attempts to shut them with {{rapid fire typing}}, and fails. Then they suddenly stop; cut to Holmes, holding up a power cord and looking smug.
* CyberneticsEatYourSoul: Or at least eat away at one character, who let the fact of his cyborg status bother him. To an extreme degree.
* {{Cyberpunk}}
* DaChief: Chief Inspector Grayson.
* DeadpanSnarker: Holmes has his moments. He's Sherlock Holmes, after all.
* DeathGlare: Moriarty and Holmes are good at this, but special credit must go to Lestrade.
* {{Defictionalization}}: In-universe. In the first episode, Holmes, Watson, and Moriarty are regarded as historical figures rather than literary ones.
* DiabolicalMastermind / EvilGenius: We ''did'' mention that Moriarty's the BigBad, right?
* DoAndroidsDream: Curiously ignored after the second episode, considering that Watson is a compudroid with the ''real'' Watson's [[ArchiveBinge journals uploaded into him]].
** But revisited one more time in "Five Orange Pips," with an anti-tech society and the necessity of Holmes's clients understanding that Watson is just as human as they are (in mind and heart, anyway, if not in body).
* DonutMessWithACop: When Lestrade gets the call to action at the beginning of "The Adventure of the Mazarin Chip", she's on a coffee break complete with pink-frosted donut.
* TheDragon: Fenwick.
** An in-universe subversion, as Fenwick had originally intended for Moriarty to be ''his'' dragon.
* DressingAsTheEnemy: Moriarty and Holmes in separate episodes, with varying degrees of success but definite eye-candy results.
* DrivesLikeCrazy: See CarChase and EstablishingCharacterMoment.
** To be fair to Lestrade, Holmes doesn’t even know what he’s ''doing'' when he’s behind the wheel.
* DullSurprise: Holmes, right after being de-aged and reanimated, wakes up to find this unknown girl right in front of his face telling him he is two hundred years ahead of his time, had only this to say:
-->'''Lestrade:''' Welcome to the 22th century, Holmes!
--> '''Holmes:''' ''Huh?''
* ElaborateUndergroundBase:[[spoiler: Amanda Wheelwright]]'s hideout kind of strains the willing suspension of disbelief.
* EmpathicEnvironment: The opening of "The Five Orange Pips" takes place on a dark and stormy night.
* EstablishingCharacterMoment: The opening scene of the first episode shows an irritated Lestrade tearing through the skyline after a runaway criminal. Easily irritated, reckless driving, and pursuit of justice. Yup, that's our Beth.
* EvenEvilHasStandards: According to Moriarty in "Five Orange Pips," he doesn't want people getting hurt as he takes over the world. To be fair, he generally sticks to this rule, with the exception of "Baskerville" early on in the game.
* EverybodyLaughsEnding: Nearly every episode.
* EverybodyLives: Kids' cartoon, remember?
* EverythingsBetterWithPenguins: The zoo in "The Scales of Justice" has a penguin exhibit, which plays a role in the episode's climax, [[spoiler:as Holmes uses the low temperature to incapacitate his cold-blooded attacker]].
* EvilLaugh: Moriarty’s is just a bit chilling.
* EvilLuddite: The tech saboteurs in "The Five Orange Pips" were opposed to 'unnatural' technology and didn't care how many lives were damaged by their quest to destroy it. You can tell they were hardcore because they used only natural plant-derived poisons to murder their opponents.
* ExactlyWhatItSaysOnTheTin: Come on, look at the title.
* ExposedToTheElements: Lestrade, who wears nothing over her short-sleeved uniform in the Christmas episode.
** Played straight in "The Sussex Vampire Lot," when Watson realizes that the bare-armed Wiggins is cold.
* FairCop: Lestrade.
* FakeBrit: The actor playing Holmes.
* FakingTheDead: Holmes, in "The Adventure of the Empty House".
* FamilyFriendlyFirearms: As usual for an animated series of this type, especially given the future setting, ray guns are more common than projectile weapons. "The Five Orange Pips" takes it further: when the bad guys are trying to shoot Lestrade's squad car out of the sky, she takes the time to exposit that their ray gun is designed to inhibit the car's operation, not to harm living things.
* FantasticRacism: "The Five Orange Pips" revolves around "anti techs", people who oppose "unnatural" technology, especially artificial intelligences, which translates to treating Watson in what's effectively a racist manner. The episode includes a subplot about a child who starts out sharing his father's anti tech prejudices, but ends up considering Watson a person and a friend.
* FantasticSlur: "Yardie."
* FearlessFool: Lestrade and Holmes. Very much so.
* FishOutOfTemporalWater: Holmes, though this is soon forgotten.
* FiveFiveFive: A phone number seen written down in the second episode.
* {{Flanderization}}: Watson, in keeping with his popular portrayal, is pretty stupid for a robot.
* {{Flashback}}: Regularly, but perhaps most notably at the beginning of "The Crime Machine."
* FlyingCar
* ForegoneConclusion: Holmes's ''non''-death in "The Adventure of the Empty House". It's so much of a foregone conclusion that this trope doesn't use the spoiler brackets!
* ForgottenPhlebotinum: In the first episode, it's a plot point that New Scotland Yard has the technology and database to match ''any'' human DNA to its owner; it's treated as an unprecedented event when Moriarty's DNA scan comes up as unknown. This never comes up again, and there's more than one later episode with a plot that implicitly assumes no such technology is available.
** Rather more importantly, in the first episode, they've ''cured death.''
* GasMaskMooks: The men Moriarty hired as a front for his subtler scheme in "Five Orange Pips".
* GenderFlip: Lestrade, thanks to TheSmurfettePrinciple coming into larger existence after the source material. Here, the role is played by Beth Lestrade, a descendant of the original Inspector G. Lestrade.
* GettingCrapPastTheRadar: The {{unusual euphemism}} "zed" replaces several different swear words throughout the show. Older audiences understand the various contexts of the word.
* GlovedFistOfDoom: Moriarty in "Five Orange Pips".
* GoodIsNotNice: Lestrade can indeed be a {{fair cop}}, but she can also be a downright scary one. Consider: she is the only Yarder we ever see overseeing someone in the cryptnosis chair, and her method of handling arrested people leaves something to be desired.
** For that matter, New Scotland Yard's method of dealing with criminals. Whether you see cryptnosis as an abomination or a kindness, the fact is that they ''wipe and reprogram people's minds''.
*** Actually, that doesn't seem to be entirely true. It was made clear that cryptnosis needed to be periodically redone, and in at least some cases criminals continued their activities anyway. So, most likely, whatever they did simply reduced the desire to commit crimes. A good analogy would be the chemical castration of rapists (...which, is still a highly questionable activity, but not as much so as reprogramming someone's brain from the ground up...).
* GoodOldWays:
** Holmes and Moriarty are still Victorians-at-heart in the 22nd century.
** To her credit, Lestrade keeps genuine paper-printed books at home.
** The Oppenshaws' disapproval of modern technology in "The Five Orange Pips" apparently obliges them to live in a 19th-century house and follow period fashions in clothing and hairstyles.
* GrapplingHookPistol: Moriarty uses one to escape from Lestrade in the first episode.
* HeroicBSOD: More than once and more than one hero.
* HeyCatch: At the end of "The Five Orange Pips", Moriarty throws the antidote (in a fragile glass container) at Holmes, then escapes while Holmes, Watson and Lestrade are concentrating on catching it before it hits the ground and breaks.
* HoistByHisOwnPetard: The way that Moriarty tends to get his due.
* HollywoodPoliceDrivingAcademy: ''Zed'', Lestrade!
* HostageForMacGuffin: Moriarty tries this with Lestrade as the hostage in "The Five Orange Pips". Lestrade tells Holmes point blank not to go for it, and Holmes, in defiance of cartoon-hero tradition, actually listens to her. (Probably the writers only let him because it turns out Moriarty has another more persuasive bargaining chip and so doesn't really need Lestrade.)
* HoverBoard: The skateboard courier in "The Five Orange Pips".
* IAlwaysWantedToSayThat: Deidre, an Irregular, tails a suspect and says "Follow that hovercab!", followed by the trope name.
* IKissYourHand: Moriarty kisses Lestrade's hand. She is less than happy.
* ILied: Holmes, faking [[spoiler: insanity]].
* ImperialStormtrooperMarksmanshipAcademy: The villain of "The Adventure of the Empty House" spends several minutes shooting at Holmes and Watson in the climax without hitting them once, which is usual for a cartoon villain but notable in this case because the rest of the episode has been building him up as an expert shot against both stationary and moving targets.
** This is slightly justified by the fact the villain is attempting to shoot Holmes and Watson in near total darkness and comes close several times, Holmes even points out how good his aim is given the circumstances.
* ImpersonationGambit: Holmes does this several times throughout the series as part of his M.O.
* InsistentTerminology: Grayson never stops referring to Holmes as the "dead detective".
* IncrediblyLamePun: Holmes seems to have a predilection for this, as he comes up with a few throughout the series. One was lampshaded by both Lestrade and Watson when they groaned at different points, respectively.
* InspectorLestrade: Of course. However, in this case, Lestrade it's a woman.
* InsufferableGenius: Again, this ''is'' the Great Detective we're dealing with.
* IntelligibleUnintelligible: Though Tennyson is unintelligible to most people (and the audience), Holmes and the other Irregulars have no trouble understanding him.
* ItsPersonal: If Watson is in harm's way, absolutely.
* JumpedAtTheCall: Let's put this in perspective: Lestrade could not ''make'' Holmes help her. He ''chose'' to, and he threw himself into her investigation.
* JustAMachine: Holmes's initial reaction to Watson, as well as John Oppenshaw's.
** ItIsDehumanizing
* KickChick: Lestrade delivers some pretty mean kicks, including a CallBack to the third episode when she disarms Moriarty in "The Sussex Vampire Lot".
* KnightofCerebus: Moriarty.
* LargeHam: Arguably Fenwick and even Moriarty.
** Lestrade is actually more over-the-top with just about ''all'' her emotions.
* LaserBlade: Three punk criminals attack Lestrade with ''[[StarWars lightsabers]]'', she ''[[CurbStompBattle beats the living daylights out of them]]'', and we never see anybody wielding lightsabers again.
* LastNameBasis: Subverted twice with Lestrade using "Sherlock"; once with Holmes using "Beth" (but only to Watson). Played straight otherwise.
* LatexPerfection: As mentioned, elasto-masks allow people to accurately copy the faces of other individuals. Most remarkably, it is a complex enough piece of technology to grant a robot with a flat, featureless face a functional (that is, mobile and expressive) set of eyes, eyebrows, mouth, tongue and teeth.
* LatexSpaceSuit: Holmes’s and Lestrade’s space suits in “Baskerville”.
* LimitedWardrobe: Discounting Holmes's and Moriarty's various disguises, none of the characters ''ever'' change their clothes - Lestrade won't even take off her uniform for a wedding!
* LiteralCliffhanger: Along with a TakeMyHand / attempted SaveTheVillain moment in Holmes's memory of Reichenbach.
* LivingInAFurnitureStore: Does the 22nd century version of 221B ''ever'' get messy?
* LivingLegend: Quite so.
* MachineMonotone: Watson in the pilot, until the Sherlock Holmes ArchiveBinge causes the original doctor's personality to take over.
* MadeOfIron: [[LampshadeHanging Lampshaded]] by Watson to a shocked Holmes as he cheerfully shrugs off a gunshot to the leg.
* MadScientistsBeautifulDaughter: Averted in [[spoiler: “Scales of Justice,”]] in which the MadScientist has a daughter, but she is not beautiful.
* MagicCountdown: At the climax of "The Hounds of the Baskervilles". Holmes stops it with one second left on the clock, too.
* TheManBehindTheMan
* MasterOfDisguise: Holmes. Holmes, Holmes, ''Holmes''.
* MirrorsReflectEverything: Including, as seen in "The Secret Safe", Scotland Yard's ray-that-turns-into-a-glowing-rope-and-wraps-itself-around-the-target guns.
* MonsterOfTheWeek: The series has no fewer than three genetically-modified/mutated people – averted with two in that they were victims rather than the VillainOfTheWeek.
* MuggedForDisguise: Holmes is, by Lestrade. The result is humorous but disastrous to the case.
* MusclesAreMeaningless: Moriarty’s impressive build ''never'' stops the sleeker Holmes from mopping the floor with him.
* NamesToRunAwayFromReallyFast: Moran, Roylott, Culverton Smith, etc.
* NervesOfSteel: Holmes and Lestrade demonstrate this regularly.
* NeverFoundTheBody: During one fight, Moriarty tells Holmes that the Yard won't be able to find any trace of him if he falls into a laser field below. True enough, Watson witnessed both men fall, and no bodies were recovered... But that would be too simple for a second [[HeroicSacrifice Reichenbach]], wouldn't it?
* NewNeoCity: New London. It's never explained what happened to the old one. The new one has a lot of the same landmarks (see page image), but is full of Americans.
* NewspaperThinDisguise: Holmes uses one while watching Moriarty's goons at the beginning of "The Red-Headed League". Later in the episode, an item in the same newspaper gives him a clue as to the central mystery of the episode.
* NiceJobBreakingItHero: Lestrade royally messes up Holmes's plans once (see MuggedForDisguise).
* NoEnding: The last time we see Moriarty (second-to-last episode aired, but probably intended to be the finale), he's gotten away. Neither this issue nor Holmes's relationship with Lestrade (see WillTheyOrWontThey) is ever resolved.
* NoNameGiven: The Prime Minister in "Mazarin Chip".
* NotGoodWithPeople: Ironically, Holmes appears to have better people skills that Lestrade.
* NotSoStoic: When there's a possibility of having lost Watson or Lestrade, watch Holmes's composure crumble.
* NotQuiteDead: [[spoiler: James Morstan.]]
* OhCrap: Fenwick has this reaction a few times, most notably in "Mazarin Chip."
* OlderThanTheyLook: Holmes, of course. The man has an old soul in 25-year-old body!
* OrganTheft: "The Engineer's Thumb" revolves around this.
* OurDoorsAreDifferent: Some have knobs and hinges; others are distinctly sci-fi.
* OurVampiresAreDifferent: With stylish nail polish!
* PercussiveMaintenance: How Holmes gets the getaway vehicle started in "The Crime Machine".
* PintsizedPowerhouse: Tennyson, again, as the youngest of the Irregulars.
* PlayAlongPrisoner: In "The Secret Safe", Holmes and Watson are captured by the burglar and tied up; Watson is strong enough to break free, but Holmes asks him to wait until they've seen what they can learn by being captives.
* PlayfulHacker: Tennyson, most notably.
** ''And'' Amanda Wheelwright, technically.
* PluckyComicRelief: Watson can be this at times.
* PoisonAndCureGambit: Used by the villain in "The Five Orange Pips".
* PoliceAreUseless: Granted, in a Holmes adaptation.
* PoliticallyIncorrectVillain: Moriarty, who goes so far as to kidnap the Prime Minister.
* PoorlyDisguisedPilot: The idea first materialized as "Sherlock Holmes in the ''23rd'' Century," a two-part episode of ''WesternAnimation/{{Bravestarr}}'', which was made more than a decade before the series was finally produced.
* ThePowerOfFriendship
* PowerTrio: Holmes, Watson, and Lestrade... who could well be TheSpock, TheMcCoy, and TheKirk, respectively.
* RammingAlwaysWorks: At least, it works for Holmes when he's behind the wheel. He's not exactly the most experienced driver.
* RapidAging: In reverse for Holmes.
* ReasonableAuthorityFigure: When you get right down to it, Grayson listens to the PowerTrio sooner or later.
* {{Recycled IN SPACE}}: In this case, Recycled [[RecycledINSPACE IN THE FUTURE]].
** To be fair, this entailed quite a lot of adventures that were, in fact, IN SPACE.
* RefugeInAudacity: Lestrade resorts to this with her boss when she threatens to ''blackmail'' him.
** This trope is really a big part of her M.O.
* RenaissanceMan: Seriously, is there anything Holmes and Moriarty ''can't'' do?
* ReplacementGoldfish: Watson
* RetailRiot: "The Adventure of the Blue Carbuncle" opens with two people fighting over a shop's last Carbuncle doll (the latest must-have Christmas toy).
* {{Retcon}}: Of the canon, actually, regarding what happened at Reichenbach. Of course, the retconning only works in-universe.
* RidiculouslyHumanRobot: Watson.
* RobotBuddy
* RunningGag: In-universe. Lestrade ''loves'' to make cracks at Fenwick's rather deformed appearance.
* SavedForTheSequel: The first two episodes - the first ''three'' make up the show's only story arc.
* SayMyName: The "real" Watson in the prologue of the premiere. He uses Holmes's ''[[LastNameBasis given name]]''.
* SceneryPorn: The cityscape sequences may be ConspicuousCG, but you have to give them credit for detail (even if the stock shot of one distinctive double-tower appears a few times too many).
* ScoobyDooHoax: In "The Hounds of the Baskervilles", Moriarty stages one of these on the moon; using holographic and robotic wolves to force an evacuation of Galileo City so he can put his evil scheme into operation.
* ScrewPolitenessImASenior: The lady that takes on Moriarty at the National Gallery.
* ScrewTheRulesImDoingWhatsRight: Not just Holmes, surprisingly, but Lestrade, as well.
* SealedGoodInACan: Holmes in his unique coffin.
* SherlockScan: As per usual.
* ShipTease: Tennyson and Amanda Wheelwright in "The Sussex Vampire Lot".
* ShoutOut:
** "My name is... Dr. Arthur Doyle. And this is Dr. Conan."
*** The scientist who brings Sherlock back to life looks like Arthur Conan Doyle.
** A Dr. Cushing references noted Holmes actor Peter Cushing.
** Sherlock makes reference to dogs owned by his neighbors, the Harnages. Phil Harnage created the show and wrote many episodes.
** And this little gem:
-->'''Moriarty''': "I'll merely use the Mazarin chip to turn this room into a [[BeamMeUpScotty transporter and beam us]] [[JustForPun out]]."
-->'''Fenwick''': (gasp) "Brilliant!"
-->'''Moriarty''': "I was kidding. Idiot. You obviously haven't watched [[Franchise/StarTrek the classics]]."
** ''The Scales of Justice'' featured a [[Creator/MontyPython python named Monty.]]
* SidekickExMachina: What ''would'' Holmes do without Watson and Lestrade?
** Or the Irregulars, for that matter!
* SlippedTheRopes:
-->'''Lestrade''': Never cuff a cop with her own cuffs. She might know how to get out of them.
* SlowNo: In "The Five Orange Pips", when it appears the antidote is about to be destroyed.
* SssssnakeTalk: The genetically-modified snake-person in "The Scales of Justice".
* SonicStunner: Ionizers, which are typically used as stun weapons.
* SourSupporter: Grayson of Lestrade and Holmes, Lestrade of the Irregulars up until the second season.
* SpoilerOpening: The title sequence is composed of dramatic moments from various episodes, including the moment in "The Adventure of the Empty House" where Holmes reveals to Watson that he's not dead -- which is not so much a surprise in itself, granted, but it also gives away which of the characters in the episode is really the not-dead Holmes in disguise.
* StatusQuoIsGod: After the third episode, except for some character development that does nothing to change the end results of each episode.
* StockFootage:
** CG establishing shots and cityscapes reappear in multiple episodes.
** "The Secret Safe" uses the same CG establishing shot of Von Bork's yacht three times.
** Played with in "The Adventure of the Sussex Vampire Lot": The security camera footage of each of the vampire's first two attacks includes identical sequences of the vampire crushing a data disk. What seems at first to be another example of the show's makers recycling footage turns out to be an in-universe example of recycled footage and one of the clues that allows Holmes to figure out the vampire's true nature.
* StrappedToAnOperatingTable: With invisible restraints. Considering that ''Holmes'' is the one strapped down, it's a bit scary.
* SuggestedBy
* SurroundedByIdiots: Moriarty, in “The Secret Safe.” He really ought to be saying this ''all'' the time.
* SuspectExistenceFailure: In "The Five Orange Pips", things seem to point toward to poisoning victim's shifty-looking brother; moments after Watson becomes the first to voice the suspicion, the brother is poisoned too.
* TakeAThirdOption: Holmes is a master at this, especially when Moriarty's the one holding the gun to his head.
* TakingYouWithMe: Seems to be Moriarty's preferred method of ''trying'' to get rid of Sherlock Holmes.
* TakeOverTheWorld: Being an adventure cartoon, this trope is a given. However, with ''Moriarty'' as the would-be conqueror, the schemes tend to be rather more complex than your average villain.
* TakeThat: The Blue Carbuncle is reworked as a TakeThat against Tickle-Me-Elmo, Furby, and other Christmas fads of the late '90s.
* TallDarkAndSnarky: Moriarty. Almost as a hobby.
* ThreeAmigos: The Irregulars, long before Holmes hired them.
* TitleThemeTune: The lyrics of the theme song consist ''entirely'' of several repetitions of the title.
* TookALevelInBadass: Moriarty gets ''very'' tough and hands-on in his schemes.
* TookALevelInKindness: Holmes is noticeably softer in the show, when compared to his younger self in the Sherlockian canon.
* TrafficWardens: A robot meter maid features in "The Adventure of the Mazarin Chip". [[spoiler:It's Holmes in an especially cunning disguise.]]
* TranquilFury: Contrast Holmes's anger with Moriarty's.
* TreasureChestCavity: "The Five Orange Pips."
* TurnInYourBadge: Lestrade turns in her badge in the first episode, when Grayson balks at letting a two-hundred-year dead detective join the investigation. Grayson immediately hands it back and tells her to get on with it, admitting that the situation has reached the point where he's willing to try anything.
* TwoGuysAndAGirl: See PowerTrio.
** Also the Irregulars: Wiggins, Tennyson, and Deidre.
* TheUnintelligible: Tennyson.
* UnusualEuphemism: "Zed," favored by Lestrade.
* VillainousBreakdown: Moriarty at the climax of "Musgrave Ritual".
* WeWillMeetAgain: Moriarty always comes back, no matter how hard Holmes pounds him.
* WeWillSpendCreditsInTheFuture
* WillTheyOrWontThey: For all the [[BelligerentSexualTension amusing chemistry]] between Holmes and Lestrade, the question of their relationship is left as open-ended as the matter of Moriarty still at large.
* WouldHitAGirl: Criminals, especially Moriarty and Fenwick, don't hesitate attack Lestrade. Her belligerence probably encourages them.
* YouExclamation: Mr Holder in "The Adventure of the Beryl Board", on discovering the (apparent) thief of the Beryl Board.
* YouWatchTooMuchX: Lestrade's reaction in "The Hounds of the Baskervilles" when Watson tells her about the moon wolf legends.
* {{Zeerust}}: Although some characters are clothed in more contemporary-looking apparel, not ''everyone'' is, and the architecture and some of the technology ''definitely'' fits the trope.
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